safe_join: safe left join

In bjornerstedt/assist: Help files, vignettes and packaging

Description

safe_join performs a dplyr left_join, checking for common errors and warning when matches are not found.

Usage

safe_join(x, y, by = NULL, return_errors = FALSE, ...)

Arguments

x	Data frame
y	Data frame
by	Key(s) to join by. Required.
return_errors	Set to TRUE to return error dataset
...	Other parameters sent to dplyr

Details

safe_join performs the following checks:

1. Checks that key is unique in df2

2. Reports that matches not found in df1 or df2 (Corresponding to _merge == 1)

3. Checks if non-key columns exist in both datasets

Value

Joined dataset

bjornerstedt/assist documentation built on May 12, 2019, 9:26 p.m.